co-signer

US /ˈkoʊˌsaɪ.nɚ/
UK /ˈkoʊˌsaɪ.nɚ/
"co-signer" picture
1.

共同签署人, 担保人

a person who signs a document, especially a loan agreement, jointly with another person or persons, and thereby guarantees payment or performance

:
My parents had to be a co-signer for my first apartment lease.
我父母不得不成为我第一份公寓租约的共同签署人
Without a co-signer, I wouldn't have been approved for the car loan.
如果没有共同签署人,我的汽车贷款就不会获批。